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| Phone | Nokia Lumia 521 / 520 | PCD Chaser | Apple iPhone 4 (GSM) | HP iPAQ 610 Business Navigator |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
3.2" diag. 5 : 3 |
3.5" diag. 5 : 3 |
2.8" diag. 4 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,430 mAh | 1,450 mAh | ? | 1,590 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 800 MHz Qualcomm MSM7627T | Apple A4 | 520 MHz Marvell PXA270 |
| RAM | 512 MB | 512 MB | ? | ? |
| Storage | 8 GB | 512 MB | 32 GB * | ? raw hardware |
| Main Camera | 5 megapixel | 3 megapixel | 5 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | ? | 720p HD | QCIF (176 x 144) |
| Front Camera | - | - | Yes | - |
| Weight |
4.39 oz (124g) |
4.2 oz (119g) |
4.8 oz (136g) |
5.1 oz (145g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
4.5" x 2.25" x 0.52" (114 x 57 x 13.2 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
4.61" x 2.37" x 0.69" (117 x 60 x 17.5 mm) |
| Platform / OS | Windows | Android | iOS | Windows Mobile Professional |
| Network Bands |
CDMA: 1900 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSPA+ 21 | EVDO rA | HSPA 7.2 | HSPA 7.2 |
| Features | ||||
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB | Yes | Yes | Yes |
Yes Mini-USB |
| Wi-Fi | Yes |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
Yes 802.11 b,g |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes |
Yes Capacitive |
Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| Nokia Lumia 521 / 520 | PCD Chaser | Apple iPhone 4 (GSM) | HP iPAQ 610 Business Navigator | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | PCD Chaser | Apple iPhone 4 (GSM) | HP iPAQ 610 Business Navigator |
